Exam (elaborations)
BSC 108 EXAM QUESTIONS AND ANSWERS 2024
- Course
- Institution
BSC 108 EXAM QUESTIONS AND ANSWERS 2024
[Show more]
Content preview
BSC 108 EXAMThree types of symbiotic relationships - ANSWERS-parasitism, commensalism,
mutualism
What is included in a species' niche? - ANSWERS-Habitat, role in the community,
and its interactions with other species.
Resource partitioning - ANSWERS-The division of environmental resources by
coexisting species such that the niche of each species differs by one or more
significant factors from the niches of all coexisting species
What does resource partitioning do to species who share a habitat? - ANSWERS-
Increases the changes of survival by reducing competition for resources.
What is the biosphere? - ANSWERS-All of the ecosystems on the planet Earth.
What is the source of energy for the biosphere? - ANSWERS-Sunlight
Autotrophs - ANSWERS-Organisms that make their own food
Heterotrophs - ANSWERS-An organism that obtains organic food molecules by
eating other organisms or their by-products.
, Producers - ANSWERS-Organisms that make their own food
Consumers - ANSWERS-An organism that obtains energy and nutrients by feeding
on other organisms or their remains.
Decomposers - ANSWERS-Organisms that break down the dead remains of other
organisms
How does energy flow through an ecosystem? - ANSWERS-Energy flows through
an ecosystem in a one-way stream, from primary producers to various consumers.
Food web - ANSWERS-A community of organisms where there are several
interrelated food chains
Food chains - ANSWERS-Energy links between different organisms in an
ecosystem based on feeding habits.
What are the four trophic levels? - ANSWERS-producers, primary consumers,
secondary consumers, tertiary consumers
How is energy transferred between trophic levels? - ANSWERS-From the
producers upwards
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Teacher101. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now